GPT-5.4 Pro vs OpenAI o4 Mini High
Compare GPT-5.4 Pro and OpenAI o4 Mini High, both from OpenAI, context windows of 1.1M vs 200K, tested across 18 shared challenges. Updated April 2026.
Which is better, GPT-5.4 Pro or OpenAI o4 Mini High?
GPT-5.4 Pro and OpenAI o4 Mini High are both competitive models. GPT-5.4 Pro costs $30/M input tokens vs $1.1/M for OpenAI o4 Mini High. Context windows: 1050K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.4 Pro and OpenAI o4 Mini High
GPT-5.4 Pro is made by openai while OpenAI o4 Mini High is from openai. GPT-5.4 Pro has a 1050K token context window compared to OpenAI o4 Mini High's 200K. On pricing, GPT-5.4 Pro costs $30/M input tokens vs $1.1/M for OpenAI o4 Mini High.
No community votes yet. On paper, GPT-5.4 Pro has the edge — bigger model tier, newer, bigger context window.
OpenAI o4 Mini High is 41x cheaper per token — worth considering if cost matters.
Style Comparison
GPT-5.4 Pro uses 745.3x more bold
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
